You completed the game tutorial.
Moving on.
You have come to the end but new challenges await!
100 Enemies Killed!
1000 Enemies Killed!
5000 Enemies Killed!
10 000 Enemies Killed!
5 Challenges Completed.
20 Challenges Completed.
50 Challenges Completed.
100 Challenges Completed.
You completed a wave using only secondary items.
You completed a wave using only genades.
Perfect combo bonus!
You killed 100 enemies in a frenzy!
You discovered all the alien species.
You finished campaign on highest difficulty.
Game plus mode completed.